CONTINUOUS INTERNET TELEMETRY24H DRIFTat least 3,819 material changesacross 3,572+ domains · 24h to ~22h ago · a floor, 2h of 24 walkedNOW552 curated domains not reachablelast probe, steadySITE ERRORS34,581 sites serving errorslast probe · 5xx / 404 / TLSBOT DEFENSEbot defense observed on 154,200 sites429 rate-limit / 403 bot-block, a posture signal

altera.co.jp

Observed Jul 25, 2026, 22:57 UTC (5d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation - watch it for 5-minute checks.

Guarded by a firewall
Secured byDigiCert
majestic
Every line above is a signed observation. Check the math at the bottom of the page.

No payload stored for this observation.

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for altera.co.jp. It updates itself. It attests a signed observation - not that the site is safe.

DomainDrift signed-observation badge for altera.co.jp <a href="https://domaindrift.io/t/altera.co.jp"> <img src="https://domaindrift.io/badge/altera.co.jp.svg" width="300" height="64" alt="DomainDrift signed observations for altera.co.jp"> </a>

Ed25519 Receipt

Receipt ID
rcpt_d7b6d4390658eff6
Output Hash
caa5f3dcd49b641a8fb6f611cb4ddee8ad7737bc3a45e3b9f29ca78270af1049
Signature
ed25519:a1b922adcd0c058d7c767914e0ca9df519171326b19419dcaea9a62fc7527610663f63d9cbbdc95c4a427ad87c5b6fc05fbf5bb7a90e4572249999922a597b05
Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent
(genesis)
Plane
fast
Verify this in your browser